Question
In which numbers does the digit '7' has the smallest value. Give the answer in letter. (Eg a)
  1. 4705
  2. 7524
  3. 9579
  4. 2547


2 m

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In which numbers does the digit '7' has the smallest value. Give the answer in letter. (Eg a)
  1. 4705
  2. 7524
  3. 9579
  4. 2547